1.

Define Atomicity And Aggregation?

Answer»

Atomicity: It’s an all or none CONCEPT which enables the USER to be assured of incomplete transactions to be TAKEN care of. The actions involving incomplete transactions are LEFT undone in DBMS.

Aggregation: The collected entities and their relationship are aggregated in this model. It is mainly used in EXPRESSING relationships within relationships.

Atomicity: It’s an all or none concept which enables the user to be assured of incomplete transactions to be taken care of. The actions involving incomplete transactions are left undone in DBMS.

Aggregation: The collected entities and their relationship are aggregated in this model. It is mainly used in expressing relationships within relationships.


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